Day: June 5, 2026

Forward-curved centrifugal blower with 4-pole motor for an air handling unit
By longwell / June 5, 2026 / Engineering Case Studies

Forward-Curved Centrifugal Blower for AHU OEM: 4-Pole, 220V Case Study

The customer specified 4-pole motors and rejected 2-pole outright. Tha...

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Compact 12V DC blower, 60mm class, for high-density electronics cooling
By longwell / June 5, 2026 / Engineering Case Studies

Compact 12V DC Blower for Electronics Cooling: 177 Pa Case Study

Two numbers in the customer paperwork disagreed by a factor of twenty-...

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Drawing and CAD model turnaround for a 300mm cross-flow fan
By longwell / June 5, 2026 / Engineering Case Studies

Sometimes the Deliverable Is a Drawing, Not a Fan

Sometimes the deliverable is a drawing and a CAD model rather than a f...

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EC axial fan supplied with full design-in support for a condenser
By longwell / June 5, 2026 / Engineering Case Studies

The Engineering Happened Years Before They Wrote In

A design-in request rather than a development one. The interesting eng...

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Low-noise cross-flow fan assembly for a residential air purifier
By longwell / June 5, 2026 / Engineering Case Studies

Low-Noise Cross-Flow Fan for an Air Purifier OEM: Under 35 dB(A)

Twenty-five hundred RPM and under 35 dB(A) pull against each other. Me...

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